Earnings per Share

The following table summarizes the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computations:



	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2018		2017		2018		2017
Weighted average common shares issued	113,914,902		113,914,902		113,914,902		111,100,495
Average treasury stock shares	(13,550,710	)	(16,436,228	)	(14,783,078	)	(16,465,984	)
Average deferred compensation shares	(37,411	)	—		(37,411	)	—
Average unearned nonvested shares	(100,134	)	(75,858	)	(95,916	)	(98,039	)
Weighted average common shares and common stock equivalents used to calculate basic earnings per share	100,226,647		97,402,816		98,998,497		94,536,472
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share	226,754		54,654		161,660		42,018
Additional common stock equivalents (deferred compensation) used to calculate diluted earnings per share	37,411		—		37,411		—
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share	100,490,812		97,457,470		99,197,568		94,578,490

The following table shows the number of shares and the price per share related to common stock equivalents that were not included in the computation of diluted earnings per share for the nine months ended September 30 because to do so would have been antidilutive.



	2018					2017
		Price Range					Price Range
	Shares	From		To		Shares	From		To
Restricted Stock	66,332	$	8.84	$	14.49	22,802	$	8.55	$	13.96
Restricted Stock Units	—	$	—	$	—	22,750	$	15.09	$	15.09